Official NHA Assessment

Race 4: TAB TELEBET 0861 000 822 MAIDEN PLATE (For Maidens. R15 000 Win Bonus ROA Members)

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Line Horse
Anchor Man
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
4 / 9
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Jack In The Green    2    60.0    1    0.00     0.0   75    73           73    -2
2    Storm Boulevard      3    60.0    2    3.50     8.5   64    57           57    -7
3    Anchor Man           4    60.0    3    5.50     6.0   61    61           61    +0
4    Agamemnon            3    60.0    4    5.75     8.5   61    56           56    -5
5    Lennoxtown           2    57.0    5    7.50     0.0   -     67           67    +67
6    Nordic Prince        2    57.0    6    10.25    0.0   79    67           69    -10
7    Gardener's Pride     3    57.0    7    10.75    8.5   72    50           62    -10
8    Act Of Power         3    58.5    8    11.00    8.5   52    53           53    +1
9    Donny's Boy          3    57.0    9    13.25    8.5   72    50           62    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Jack In The Green 75 80 73 +7 0.0 -
2 Storm Boulevard 64 64 57 +7 8.5 -
3 Anchor Man Line 61 63 61 +2 6.0
4 Agamemnon 61 58 56 +2 8.5 -
5 Lennoxtown - 72 67 +5 0.0 -
6 Nordic Prince 79 75 69 +6 0.0 -
7 Gardener's Pride 72 63 62 +1 8.5 -
8 Act Of Power 52 50 53 -3 8.5 -
9 Donny's Boy 72 68 62 +6 8.5 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points